import nodemailer from "nodemailer";

import { SESv2Client, SendEmailCommand } from "@aws-sdk/client-sesv2";

import { z } from "zod";

const hasAccessKeys = process.env.ACCESS_KEY && process.env.SECRET_KEY;

const sesClient = new SESv2Client({

region: "eu-west-1",

...(hasAccessKeys

? {

credentials: {

accessKeyId: process.env.ACCESS_KEY || "",

secretAccessKey: process.env.SECRET_KEY || "",

},

}

: {}),

});

// create Nodemailer SES transporter

export const nodemailerSesTransporter = nodemailer.createTransport({

SES: { sesClient, SendEmailCommand },

});

interface MailConfig {

recipient: string;

subject: string;

htmlMessage: string;

}

const sendEmail = async (config: MailConfig) => {

const { recipient, htmlMessage, subject } = config;

if (!htmlMessage.length || !subject.length)

throw new Error(`"htmlMessage" & "subject" required.`);

const emailSchema = z.string().email();

const to = emailSchema.parse(recipient);

// send some mail

return new Promise((resolve, reject) => {

nodemailerSesTransporter.sendMail(

{

from: "[email protected]",

to,

subject,

html: htmlMessage,

},

(err, info) => {

if (err) {

console.log("Error sending mail:", err);

reject(`Error sending mail: ${err}`);

} else {

console.log(info.envelope);

console.log(info.messageId);

resolve({

envelope: info.envelope,

messageId: info.messageId,

});

}

},

);

});

};

export default sendEmail;